SCP Log Viewer

A Java-based real-time log monitoring application that allows you to view and track log files on remote Linux machines through SSH/SCP connection.

Features

• Multi-Tab Support: Monitor multiple log files simultaneously in different tabs
• Real-time Monitoring: Automatic refresh to show live log updates
• SSH/SCP Integration: Secure connection to remote Linux machines using JSch library
• Text Customization:
  • Adjustable font family, size, and style
  • Customizable text and background colors
  • Dark mode support
• Search Functionality:
  • Case-sensitive search option
  • Wrap-around search
  • Forward and backward search directions
• Log Management:
  • Clear log files directly from the interface (supports full clear or bottom-only clear)
  • Export logs with timestamps and connection details
  • Duplicate line filtering with configuration persistence
  • Word wrap option with configuration persistence
  • Timestamp display toggle
• Connection Status: Real-time connection status and last update time display
• User-friendly Interface:
  • Intuitive tab management with custom naming
  • Right-click context menu for copy and select operations
  • Customizable UI with dark mode support
  • Auto-connect feature for tabs
• Security Features:
  • Password encryption using Base64 encoding with shift cipher
  • No plain-text password storage
  • Secure SSH/SCP communication
• Special Log Commands: Support for special escape codes (\u001B[C] and \u001B[CB]) for clearing logs

Dependencies

• Java Runtime Environment (JRE) 8 or higher
• Required Libraries:
  • JSch (Java Secure Channel) for SSH/SCP functionality
  • JSON library for configuration management
  • Swing/AWT for GUI components

Setup and Configuration

1. Ensure Java is installed on your system

2. Download the latest release of SCP Log Viewer

3. Configuration is stored in log_viewer_config.json:

   {
     "tabs": [{
       "host": "your.host.ip",
       "port": 22,
       "user": "username",
       "password": "encrypted_password",
       "logFile": "/path/to/your/log",
       "tabName": "Log 1",
       "textColorRGB": -16777216,
       "backgroundColorRGB": -1,
       "fontName": "Monospaced",
       "fontSize": 12,
       "fontStyle": 0,
       "wordWrap": false,
       "filterDuplicates": false,
       "showTimestamp": true,
       "autoConnect": false
     }],
     "darkMode": false,
     "globalHost": "localhost",
     "globalPort": 22,
     "globalUsername": "",
     "globalPassword": ""
   }

Usage

1. Launch the application
2. Enter connection details:
   • Host: Remote Linux machine IP/hostname
   • Username: SSH username
   • Password: SSH password
   • Log File: Full path to the log file on remote machine
3. Click "Connect" to start monitoring
4. Use the toolbar for additional functions:
   • Add new tabs
   • Search within logs
   • Customize text appearance
   • Export logs
   • Toggle dark mode
   • Clear logs (full or bottom-only)
   • Toggle word wrap
   • Toggle duplicate filtering

Security Features

• SSH key verification
• No plain-text password storage

Keyboard Shortcuts

• Ctrl+T: Create new tab
• Ctrl+W: Close current tab
• Alt+Up: Fast scroll up
• Alt+Down: Fast scroll down
• Ctrl+S: Save current tab settings
• F2: Rename current tab
• Ctrl+F: Show search dialog
• Ctrl+E: Export log
• Ctrl+L: Clear log
• Ctrl+Enter: Save and connect

System Requirements

• Operating System: Windows/Linux/macOS
• Memory: Minimum 256MB RAM
• Disk Space: 50MB minimum
• Network: Stable internet connection for remote log monitoring

Build from Source

1. Clone the repository
2. Ensure Java Development Kit (JDK) 8 or higher is installed
3. Build using your preferred Java IDE or build tool

License

This project is open-source and available under the MIT License.

Contributing

Contributions are welcome! Please feel free to submit pull requests.